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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

EC50  at 48h > 100 mg/L

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
100 mg/L

Additional information

Based on the test results performed on similar substances, Direct Orange 26 should be considered as not toxic to daphnia.

The LC50 was chosen from the key study which was performed on the most similar substance with detailed test report.
The absence of toxic effects, was confirmed by the results of all other available studies performed on other similar substances.